On 2/27/13 7:36 AM, Niko Matsakis wrote:
### Treat empty structs the way we treat enum variants?
Perhaps we should just not parse a declaration like:
struct X {}
instead one would write something like:
struct X;
or
struct X();
Much as you write
enum Foo { Y }
This would be a "new-type" struct so X would also serve as a value, just
like the constant `Y` in the enum case. This would mean that one never
writes a struct literal `Foo {}` but instead just `Foo`.
`struct X;` already works today. I implemented it a few months ago. It's
used in sprocketnes, and a couple of places in Servo IIRC.
So I vote for disallowing `struct X {}` entirely.
Patrick
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